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US Patent: 299,165
Wrench
Patentee:
Squire Robinson - Southington, CT

USPTO Classifications:
81/171

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Edwards, Jr.
Eddy N. Smith
Edwin G. Lewis
Charles D. Barnes

Patent Dates:
Applied: Dec. 29, 1883
Granted: May 27, 1884

Patent Pictures:
Squire Robinson patent May 27, 1884
USPTO pdf tiff
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Description:
The main feature of the patent is the integrated ferule, step, and shoulder. This part reappears in Robinson's June 16, 1885 patent (no. 320,172).

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